ID   TRUB_STAA3              Reviewed;         305 AA.
AC   Q2FHG7;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-MAR-2006, sequence version 1.
DT   25-MAY-2022, entry version 95.
DE   RecName: Full=tRNA pseudouridine synthase B {ECO:0000255|HAMAP-Rule:MF_01080};
DE            EC=5.4.99.25 {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA pseudouridine(55) synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE            Short=Psi55 synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA pseudouridylate synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA-uridine isomerase {ECO:0000255|HAMAP-Rule:MF_01080};
GN   Name=truB {ECO:0000255|HAMAP-Rule:MF_01080};
GN   OrderedLocusNames=SAUSA300_1164;
OS   Staphylococcus aureus (strain USA300).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=367830;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=USA300;
RX   PubMed=16517273; DOI=10.1016/s0140-6736(06)68231-7;
RA   Diep B.A., Gill S.R., Chang R.F., Phan T.H., Chen J.H., Davidson M.G.,
RA   Lin F., Lin J., Carleton H.A., Mongodin E.F., Sensabaugh G.F.,
RA   Perdreau-Remington F.;
RT   "Complete genome sequence of USA300, an epidemic clone of community-
RT   acquired meticillin-resistant Staphylococcus aureus.";
RL   Lancet 367:731-739(2006).
CC   -!- FUNCTION: Responsible for synthesis of pseudouridine from uracil-55 in
CC       the psi GC loop of transfer RNAs. {ECO:0000255|HAMAP-Rule:MF_01080}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=uridine(55) in tRNA = pseudouridine(55) in tRNA;
CC         Xref=Rhea:RHEA:42532, Rhea:RHEA-COMP:10101, Rhea:RHEA-COMP:10102,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.25;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01080};
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase TruB family. Type 1
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01080}.
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DR   EMBL; CP000255; ABD21442.1; -; Genomic_DNA.
DR   RefSeq; WP_000282305.1; NZ_CP027476.1.
DR   AlphaFoldDB; Q2FHG7; -.
DR   SMR; Q2FHG7; -.
DR   EnsemblBacteria; ABD21442; ABD21442; SAUSA300_1164.
DR   KEGG; saa:SAUSA300_1164; -.
DR   HOGENOM; CLU_032087_0_1_9; -.
DR   OMA; ELQFIRW; -.
DR   Proteomes; UP000001939; Chromosome.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0106029; F:tRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0031119; P:tRNA pseudouridine synthesis; IEA:UniProtKB-UniRule.
DR   CDD; cd02573; PseudoU_synth_EcTruB; 1.
DR   HAMAP; MF_01080; TruB_bact; 1.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR014780; tRNA_psdUridine_synth_TruB.
DR   InterPro; IPR032819; TruB_C.
DR   PANTHER; PTHR13767; PTHR13767; 1.
DR   Pfam; PF16198; TruB_C_2; 1.
DR   Pfam; PF01509; TruB_N; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   TIGRFAMs; TIGR00431; TruB; 1.
PE   3: Inferred from homology;
KW   Isomerase; tRNA processing.
FT   CHAIN           1..305
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084690"
FT   ACT_SITE        39
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   305 AA;  34593 MW;  F71DF421F6C4D65F CRC64;
     MYNGILPVYK ERGLTSHDVV FKLRKILKTK KIGHTGTLDP EVAGVLPVCI GNATRVSDYV
     MDMGKAYEAT VSIGRSTTTE DQTGDTLETK GVHSADFNKD DIDRLLESFK GIIEQIPPMY
     SSVKVNGKKL YEYARNNETV ERPKRKVNIK DIGRISELDF KENECHFKIR VICGKGTYIR
     TLATDIGVKL GFPAHMSKLT RIESGGFVLK DSLTLEQIKE LHEQDSLQNK LFPLEYGLKG
     LPSIKIKDSH IKKRILNGQK FNKNEFDNKI KDQIVFIDDD SEKVLAIYMV HPTKESEIKP
     KKVFN